Wall Street kicks off 2026 with renewed optimism, maintaining its upward trend despite geopolitical tensions in Venezuela. The New York market continues to defy warnings about potential overvaluations, driven by the strength of major tech companies, which now account for nearly 40% of the S&P 500. The start of CES in Las Vegas has been the catalyst for this new momentum. Jensen Huang, CEO of Nvidia—the world's most valuable company—opened the event by announcing that the next generation of the company's chips is already in mass production. These new processors, under the Vera Rubin platform, promise to quintuple processing capacity for artificial intelligence tasks compared to the previous generation, marking a crucial advancement for applications like chatbots and advanced AI systems. Huang emphasized the importance of accelerating AI model training to open new technological frontiers, highlighting Nvidia's leadership in this sector. The announcement strengthens the company's position against competitors like AMD, Intel, and the in-house developments of giants like Google and Amazon, which are seeking to gain market share in an increasingly competitive landscape. In this context, the demand for efficient and fast solutions for AI model inference has become the new focus of the industry. AMD, for example, is gaining ground with more cost-effective alternatives, while Nvidia introduced Alpamayo, a new family of AI models aimed at security and the development of autonomous vehicles. Despite international instability, investors have maintained their bet on tech stocks, extending a three-year bull run driven by artificial intelligence. According to Bloomberg data, capital investment from Microsoft, Alphabet, Amazon, and Meta is expected to grow by 34% to reach $440 billion in the coming year. In 2025, the S&P 500 rose by 16%, with Nvidia, Alphabet, Broadcom, and Microsoft as the main drivers of growth. The question now is whether 2026 will mark the fourth consecutive year of gains for the index in an environment dominated by AI innovation. (Source: businessinsider.es)